CN116592797B - Spring flatness detection device - Google Patents
Spring flatness detection device Download PDFInfo
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- CN116592797B CN116592797B CN202310511131.5A CN202310511131A CN116592797B CN 116592797 B CN116592797 B CN 116592797B CN 202310511131 A CN202310511131 A CN 202310511131A CN 116592797 B CN116592797 B CN 116592797B
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- 238000001514 detection method Methods 0.000 title claims abstract description 224
- 230000000712 assembly Effects 0.000 claims abstract description 36
- 238000000429 assembly Methods 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of spring detection, in particular to a spring flatness detection device which comprises a base and detection clamping assemblies arranged on the base, wherein the detection clamping assemblies comprise four first detection clamping assemblies, second detection clamping assemblies, third detection clamping assemblies and fourth detection clamping assemblies which are identical in structure, the first detection clamping assemblies and the second detection clamping assemblies are arranged at two ends of a spring to be detected in pairs, the spring to be detected is clamped along a first direction, the periphery of the spring to be detected is clamped through the detection clamping assemblies, and the contact states of the side surfaces of different circle layers of the spring and the detection clamping assemblies are judged through photoelectric detection assemblies, so that the flatness of the spring to be detected is judged.
Description
Technical Field
The invention relates to the technical field of spring detection, in particular to a spring flatness detection device.
Background
The spring damper is widely applied to the fields of electric vehicles, bicycles, automobiles and the like, and the stiffness parameters of the spring damper are required to be obtained through experimental detection. The spring is used as a main component of a spring damper, is a mechanical part which works by utilizing elasticity, and is deformed by external force, and the spring is required to be subjected to necessary performance test after the spring is produced so as to ensure that the spring meets the qualification standard.
In the production and manufacture of springs, errors exist in the spiral diameter of spring steel of each circle when the spring steel is wound due to fluctuation of equipment, and in the following strict spring use environment, the spring is easy to deform, bend and the like when compressed due to fluctuation of the diameters of springs of different circles, so that flatness of the spring needs to be detected to ensure that the errors of the spiral diameter of each circle of the spring are within an allowable range, and further quality and use safety of the spring are ensured.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a spring flatness detection device, which clamps the periphery of a spring to be detected through a detection clamping assembly, and judges the contact state of the side surfaces of different circle layers of the spring and the detection clamping assembly through a photoelectric detection assembly, so as to judge the flatness of the spring to be detected.
In the prior art, a hydraulic cylinder is generally used for providing clamping force, and the driving force of the hydraulic cylinder can provide good elastic buffering when driving a clamping device, however, precise synchronous control is required when clamping springs to be tested from different directions around, and the synchronous control of the hydraulic cylinder is a problem to be solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the spring flatness detection device comprises a base and detection clamping assemblies arranged on the base, wherein the detection clamping assemblies comprise four first detection clamping assemblies, second detection clamping assemblies, third detection clamping assemblies and fourth detection clamping assemblies which are identical in structure, and the first detection clamping assemblies and the second detection clamping assemblies are arranged at two ends of a spring to be detected in pairs and clamp the spring to be detected along a first direction;
the third detection clamping assembly and the fourth detection clamping assembly are arranged at two ends of the spring to be detected in pairs, the spring to be detected is clamped along a second direction, and the first direction is perpendicular to the second direction;
the device comprises a first detection clamping assembly, a second detection clamping assembly, a third detection clamping assembly and a fourth detection clamping assembly, wherein a light source emitting assembly and a light source receiving assembly are arranged nearby the first detection clamping assembly, the second detection clamping assembly, the third detection clamping assembly and the fourth detection clamping assembly, the light source emitting assembly emits light towards the contact position of the detection clamping assembly and a spring to be detected, the light source receiving assembly receives the light emitted by the light source emitting assembly, and flatness of the spring to be detected is detected according to the distribution condition of the received light;
the spring to be tested is clamped and fixed on the rotating seat, the rotating seat can rotate relative to the base, and the change of the detection position of the spring to be tested is realized through the rotation of the rotating seat.
Further, the first detection clamping assembly comprises a first driving rack plate, a first transmission gear set, a first clamping detection plate, a first clamping part and a first driving hydraulic cylinder; the first transmission gear set comprises a first driving gear, a first guiding gear, a first input gear and a first speed changing wheel; the base comprises a supporting substrate, an upper end cover and a lower supporting seat; the first driving rack plate is slidably arranged on the upper end surface of the supporting substrate through a guide structure, and two sides of the first driving rack plate are respectively meshed with the first driving gear and the first guide gear; the first driving gear and the first speed changing wheel are coaxially arranged and respectively arranged on the upper end face and the lower end face of the supporting substrate, and the first input gear is meshed with the first speed changing wheel; the cylinder seat of the first driving hydraulic cylinder is rotatably hinged on the lower end surface of the supporting substrate, and the tail end of the piston rod of the first driving hydraulic cylinder is connected with the end surface of the first input gear through a hinge structure; the first driving hydraulic cylinder can drive the first input gear to rotate reciprocally by a certain angle, and the first input gear drives the first driving rack plate to move reciprocally on the supporting substrate through rotation of the first speed changing wheel and the first driving gear.
Further, the upper end cover is provided with an avoidance part for guiding the clamping detection plate of the detection clamping assembly to move, and the lower end of the support substrate is provided with a lower support seat.
Further, the third detection clamping assembly has the same structure as the first detection clamping assembly and comprises a third driving rack plate, a third transmission gear set, a third clamping detection plate, a third clamping part and a third driving hydraulic cylinder; the third transmission gear set comprises a third driving gear, a third guiding gear, a third input gear and a third speed changing wheel; a first clamping part is arranged at one end of the first driving rack plate, a first clamping detection plate is further vertically arranged above the first driving rack plate, and the first clamping detection plate and the first clamping part can be abutted to a first detection position on the circumference side of the spring to be detected; a third clamping part is arranged at one end, close to the first driving rack plate, of the third driving rack plate, a third clamping detection plate is vertically arranged above the third driving rack plate, and the third clamping detection plate and the third clamping part can be abutted against a second detection position on the circumferential side of the spring to be detected; the first detection position and the second detection position are positioned on two opposite sides of the spring to be detected, and planes determined by the first detection position and the second detection position pass through the central axis of the spring to be detected.
Further, a rotatable first synchronizing piece is further arranged on the lower end face of the supporting base plate, and a first rack section and a second rack section are arranged at opposite positions on the first synchronizing piece; the first rack segment is meshed with the first speed changing wheel, and the second rack segment is meshed with the third speed changing wheel; the first clamping detection plate and the third clamping detection plate are synchronously moved towards/away from each other by the first synchronizing member.
Further, the second detection clamping assembly and the fourth detection clamping assembly are oppositely arranged and have the same structure as the first detection clamping assembly and the third detection clamping assembly; the lower end of the supporting substrate is also rotatably provided with a second synchronizing piece, and a third rack section and a fourth rack section are arranged at opposite positions on the second synchronizing piece; the third rack segment is meshed with a second speed changing wheel of the second detection clamping assembly, and the fourth rack segment is meshed with a fourth speed changing wheel of the fourth detection clamping assembly;
when the second driving hydraulic cylinder of the second detection clamping assembly and the fourth driving hydraulic cylinder of the fourth detection clamping assembly respectively drive the second input gear and the fourth input gear to rotate, synchronous rotation of the second speed changing wheel and the fourth speed changing wheel is realized through the second synchronous piece, and synchronous opposite/opposite movement of the second clamping detection plate of the second detection clamping assembly and the fourth clamping detection plate of the fourth detection clamping assembly is further realized.
Further, the rotating seat comprises a rotating base, a limiting plate, a clamping plate, an abutting plate and a clamping spring; the rotary base is provided with a plurality of limiting plates, and the limiting plates are sleeved on the inner periphery of the spring to be tested; the clamping plate is arranged in a sliding manner relative to the limiting plate, a clamping spring is arranged between the clamping plate and the abutting plate, and clamping force moving towards the limiting plate is provided for the clamping plate through the clamping spring.
Further, the rotating seat is arranged on the lower supporting seat, and the rotating seat can rotate relative to the supporting substrate, so that the detection position of the clamping detection plate of the detection clamping assembly on the spring to be detected can be changed.
Further, the light source emitting assembly comprises a light source base and a light curtain emitting piece, and the light source receiving assembly comprises a connecting base and a light curtain receiving piece; the light source base is arranged at a position, close to the clamping detection plate, on the driving rack plate of the detection clamping assembly, and is provided with a vertical light curtain emitting piece, and the extending direction of the light curtain emitting piece is parallel to the clamping surface of the clamping detection plate; the connecting base of the light source receiving assembly and the light source base are symmetrically arranged on two sides of the clamping detection plate, and the connecting base is provided with a light curtain receiving piece.
Further, the light curtain emitting piece emits light towards the contact position of the clamping detection plate and the spring to be detected, and the light curtain receiving piece receives the light emitted by the light curtain emitting piece; and the light curtain receiving piece receives the light distribution condition, determines the contact condition of the side surface of the spring to be detected and the clamping detection plate, and further judges the flatness of the spring to be detected.
Compared with the prior art, the invention provides a spring flatness detection device, which has the following beneficial effects:
1. according to the invention, the clamping driving forces of the first, second, third and fourth detection clamping assemblies are provided through the hydraulic cylinder, so that good buffering force can be provided when the spring to be tested is clamped, and meanwhile, the dislocation of the position of each circle layer of the spring to be tested caused by the clamping force can be effectively avoided through the relative arrangement of the first, third detection clamping assemblies and the relative arrangement of the second, fourth detection clamping assemblies.
2. According to the invention, the first detection clamping assembly and the third detection clamping assembly can synchronously move and control through the first synchronizing piece, and the second detection clamping assembly and the fourth detection clamping assembly can synchronously move and control through the second synchronizing piece, so that the problem of asynchronous driving of the hydraulic cylinder can be effectively solved, the detection clamping assemblies can synchronously abut against two sides of the spring, and further the detection precision is ensured.
3. The rotating seat can fixedly support the bottom end of the spring to be tested, and can rotate relative to the base, so that the first, second, third and fourth detection clamping assemblies can be clamped at any position around the spring to be tested, multipoint sampling of the spring to be tested can be ensured, and accuracy of flatness detection of the spring is ensured.
4. According to the invention, the contact condition of the detection clamping assembly and the positions of different circle layers on the side face of the spring to be detected is detected by utilizing the principle of light shielding, the light source emitting assembly emits uniformly distributed light, the light source receiving assembly receives the light source distribution condition shielded by the spring to be detected, and the contact condition of the spring to be detected and the detection clamping assembly is further judged, so that the flatness detection of the spring is performed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a spring flatness detection apparatus of the present invention;
FIG. 2 is a cross-sectional view of the detection device of the present invention;
FIG. 3 is a transverse cross-sectional view of the detection device of the present invention;
FIG. 4 is a schematic view of the internal structure of the base of the present invention;
FIG. 5 is a schematic diagram of a transmission structure of the first and third inspection clamping assemblies of the present invention;
FIG. 6 is a schematic diagram of the overall structure of the transmission structure of the present invention;
FIG. 7 is a cross-sectional view of a swivel mount of the present invention;
FIG. 8 is a schematic diagram of a light source transmitting and receiving assembly of the present invention;
in the figure:
the first detection clamping assembly 1, the first driving rack plate 11, the first driving gear 12, the first guide gear 13, the first clamping detection plate 14, the first clamping part 15, the first input gear 16, the first speed changing wheel 17 and the first driving hydraulic cylinder 18;
a second detection clamping assembly 2, a second input gear 26, a second speed change wheel 27 and a second driving hydraulic cylinder 28;
a first synchronizer 100, a first rack segment 101, a second rack segment 102; a second synchronizer 200, a third rack segment 201, and a fourth rack segment 202;
the third detection clamping assembly 3, the third driving rack plate 31, the third guide gear 33, the third clamping detection plate 34, the third clamping part 35, the third input gear 36, the third speed changing wheel 37 and the third driving hydraulic cylinder 38;
a fourth detection clamping assembly 4, a fourth input gear 46, a fourth gearbox wheel 47, a fourth driving hydraulic cylinder 48;
a spring 5 to be tested;
a base 6, a support substrate 61, an upper end cover 62, and a lower support base 63;
the rotary seat 7, the rotary base 71, the limiting plate 72, the clamping plate 73, the abutting plate 74 and the clamping spring 75;
a light source emitting assembly 8, a light source base 81, and a light curtain emitting member 82;
a light source receiving assembly 9, a light curtain receiving member 92;
description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is described in detail below with reference to fig. 1-8, and the spring flatness detecting device of the invention includes a base 6 and detecting and clamping assemblies disposed on the base 6, where the detecting and clamping assemblies include four first detecting and clamping assemblies 1, second detecting and clamping assemblies 2, third detecting and clamping assemblies 3 and fourth detecting and clamping assemblies 4 with the same structure, and the first detecting and clamping assemblies 1, the second detecting and clamping assemblies 2 are disposed at two ends of a spring 5 to be detected in pairs, and clamp the spring 5 to be detected along a first direction;
the third detection clamping assembly 3 and the fourth detection clamping assembly 4 are arranged at two ends of the spring 5 to be detected in pairs, the spring 5 to be detected is clamped along a second direction, and the first direction is perpendicular to the second direction;
a light source emitting component 8 and a light source receiving component 9 are arranged near the first detection clamping component 1, the second detection clamping component 2, the third detection clamping component 3 and the fourth detection clamping component 4, the light source emitting component 8 emits light rays towards the contact position of the detection clamping component and the spring 5 to be detected, the light source receiving component 9 receives the light rays emitted by the light source emitting component 8, and the flatness of the spring 5 to be detected is detected according to the distribution condition of the received light rays;
the spring 5 to be tested is clamped and fixed on the rotating seat 7, the rotating seat 7 can rotate relative to the base 6, and the change of the detection position of the spring 5 to be tested is realized through the rotation of the rotating seat 7.
The fluctuation of the spiral diameter of each circle of the spring 5 to be tested will lead to the straightness exceeding of the spring 5 to be tested, when the periphery of the spring 5 to be tested is abutted by the first detection clamping assembly 1, the second detection clamping assembly 2, the third detection clamping assembly 3 and the fourth detection clamping assembly 4, the circle with larger spiral diameter is abutted on the detection clamping assembly, the circle with smaller spiral diameter is not contacted with the detection clamping assembly, the light emitted by the light source emission assembly 8 can penetrate through the gap between the circle with smaller spiral diameter and the detection clamping assembly, and thus the light emitted by the light source emission assembly 9 is received by the circle with larger spiral diameter, and then the light emitted by the light source emission assembly 8 cannot be received by the light source receiving assembly 9 at the position of the circle.
Further, the first detection clamping assembly 1 comprises a first driving rack plate 11, a first transmission gear set, a first clamping detection plate 14, a first clamping part 15 and a first driving hydraulic cylinder 18; the first transmission gear set comprises a first driving gear 12, a first guiding gear 13, a first input gear 16 and a first speed change wheel 17; the base 6 comprises a supporting base plate 61, an upper end cover 62 and a lower supporting seat 63; the first driving rack plate 11 is slidably arranged on the upper end surface of the supporting substrate 61 through a guiding structure, and two sides of the first driving rack plate 11 are respectively meshed with the first driving gear 12 and the first guiding gear 13; the first driving gear 12 and the first speed changing wheel 17 are coaxially arranged and respectively arranged on the upper end surface and the lower end surface of the supporting substrate 61, and the first input gear 16 and the first speed changing wheel 17 are meshed; the cylinder seat of the first driving hydraulic cylinder 18 is rotatably hinged on the lower end surface of the supporting base plate 61, and the tail end of the piston rod of the first driving hydraulic cylinder 18 is connected with the end surface of the first input gear 16 through a hinge structure; the first driving hydraulic cylinder 18 can drive the first input gear 16 to rotate reciprocally by a certain angle, and the first input gear 16 drives the first driving rack plate 11 to move reciprocally on the support base plate 61 by the rotation of the first speed changing wheel 17 and the first driving gear 12.
Further, the upper end cover 62 is provided with a avoiding portion for guiding the movement of the clamping detection plate of the detection clamping assembly, and the lower end of the support substrate 61 is provided with a lower support seat 63.
Further, the third detecting and clamping assembly 3 has the same structure as the first detecting and clamping assembly 1 and includes a third driving rack plate 31, a third transmission gear set, a third clamping detection plate 34, a third clamping portion 35 and a third driving hydraulic cylinder 38; the third drive gear set includes a third drive gear, a third guide gear 33, a third input gear 36 and a third gearbox wheel 37; a first clamping part 15 is arranged at one end of the first driving rack plate 11, a first clamping detection plate 14 is further vertically arranged above the first driving rack plate 11, and the first clamping detection plate 14 and the first clamping part 15 can be abutted against a first detection position on the circumference side of the spring 5 to be detected; a third clamping part 35 is arranged at one end of the third driving rack plate 31, which is close to the first driving rack plate 11, a third clamping detection plate 34 is vertically arranged above the third driving rack plate 31, and the third clamping detection plate 34 and the third clamping part 35 can be abutted against a second detection position at the circumference side of the spring 5 to be detected; the first detection position and the second detection position are located at two opposite sides of the spring 5 to be tested, and the plane determined by the first detection position and the second detection position passes through the central axis of the spring 5 to be tested.
Further, the lower end surface of the supporting base plate 61 is further provided with a rotatable first synchronizing member 100, and a first rack section 101 and a second rack section 102 are provided at opposite positions on the first synchronizing member 100; the first rack segment 101 is meshed with the first gearbox wheel 17, and the second rack segment 102 is meshed with the third gearbox wheel 37; the first clamping detection plate 14 and the third clamping detection plate 34 are moved synchronously toward/away from each other by the first synchronizing member 100.
Further, the second detecting and clamping assembly 2 and the fourth detecting and clamping assembly 4 are arranged oppositely and have the same structure as the first detecting and clamping assembly 1 and the third detecting and clamping assembly 3; the lower end of the supporting substrate 61 is also rotatably provided with a second synchronizing member 200, and a third rack section 201 and a fourth rack section 202 are arranged at opposite positions on the second synchronizing member 200; the third rack segment 201 is meshed with the second speed changing wheel 27 of the second detection clamping assembly 2, and the fourth rack segment 202 is meshed with the fourth speed changing wheel 47 of the fourth detection clamping assembly 4;
when the second driving hydraulic cylinder 28 of the second detection clamping assembly 2 and the fourth driving hydraulic cylinder 48 of the fourth detection clamping assembly 4 respectively drive the second input gear 26 and the fourth input gear 46 to rotate, the second synchronizing member 200 realizes synchronous rotation of the second speed changing wheel 27 and the fourth speed changing wheel 47, so that synchronous opposite/opposite movement of the second clamping detection plate of the second detection clamping assembly 2 and the fourth clamping detection plate of the fourth detection clamping assembly 4 is realized.
Further, the rotating seat 7 comprises a rotating base 71, a limiting plate 72, a clamping plate 73, an abutting plate 74 and a clamping spring 75; the rotating base 71 is provided with a plurality of limiting plates 72, and the limiting plates 72 are sleeved on the inner periphery of the spring 5 to be tested; the clamping plate 73 is slidably arranged relative to the limiting plate 72, a clamping spring 75 is arranged between the clamping plate 73 and the abutting plate 74, and clamping force moving towards the limiting plate 72 is provided for the clamping plate 73 through the clamping spring 75.
Further, the rotating seat 7 is disposed on the lower supporting seat 63, and the rotating seat 7 can rotate relative to the supporting substrate 61, so as to change the detection position of the clamping detection plate of the detecting and clamping assembly on the spring 5 to be detected.
The rotating seat 7 can fixedly support the bottom end of the spring 5 to be tested, and can rotate relative to the base 6, so that the first, second, third and fourth detection clamping assemblies can be clamped at any positions around the spring 5 to be tested, and further multipoint sampling of the spring 5 to be tested can be guaranteed, and the flatness detection precision of the spring is guaranteed.
Further, the light source emitting assembly 8 includes a light source base 81 and a light curtain emitting member 82, and the light source receiving assembly 9 includes a connection base and a light curtain receiving member 92; the light source base 81 is arranged at a position, close to the clamping detection plate, on the driving rack plate of the detection clamping assembly, a vertical light curtain emitting piece 82 is arranged on the light source base 81, and the extending direction of the light curtain emitting piece 82 is parallel to the clamping surface of the clamping detection plate; the connection base of the light source receiving assembly 9 and the light source base 81 are symmetrically arranged at two sides of the clamping detection plate, and the connection base is provided with a light curtain receiving member 92.
Further, the light curtain emitting element 82 emits light toward the contact position between the clamping detection plate and the spring 5 to be detected, and the light curtain receiving element 92 receives the light emitted by the light curtain emitting element 82; the light curtain receiving member 92 receives the light distribution, determines the contact condition between the side surface of the spring 5 to be tested and the clamping detection plate, and further determines the flatness of the spring 5 to be tested.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a spring straightness detection device, includes base (6) and set up in detect clamping assembly on base (6), detect clamping assembly including four first detection clamping assembly (1) that the structure is the same, second detection clamping assembly (2), third detection clamping assembly (3) and fourth detection clamping assembly (4), its characterized in that:
the first detection clamping assemblies (1) and the second detection clamping assemblies (2) are arranged at two ends of the spring (5) to be detected in pairs, and clamp the spring (5) to be detected along a first direction;
the third detection clamping assembly (3) and the fourth detection clamping assembly (4) are arranged at two ends of the spring (5) to be detected in pairs, the spring (5) to be detected is clamped along a second direction, and the first direction is perpendicular to the second direction;
the device comprises a first detection clamping assembly (1), a second detection clamping assembly (2), a third detection clamping assembly (3) and a fourth detection clamping assembly (4), wherein a light source emission assembly (8) and a light source receiving assembly (9) are arranged nearby the first detection clamping assembly, the second detection clamping assembly, the third detection clamping assembly and the fourth detection clamping assembly, the light source emission assembly (8) emits light towards the contact position of the detection clamping assembly and a spring (5) to be detected, the light source receiving assembly (9) receives the light emitted by the light source emission assembly (8), and the flatness of the spring (5) to be detected is detected according to the distribution condition of the received light;
the spring (5) to be tested is clamped and fixed on a rotating seat (7), the rotating seat (7) can rotate relative to the base (6), and the change of the detection position of the spring (5) to be tested is realized through the rotation of the rotating seat (7);
the first detection clamping assembly (1) comprises a first driving rack plate (11), a first transmission gear set, a first clamping detection plate (14), a first clamping part (15) and a first driving hydraulic cylinder (18);
the first transmission gear set comprises a first driving gear (12), a first guiding gear (13), a first input gear (16) and a first speed changing wheel (17);
the base (6) comprises a supporting substrate (61), an upper end cover (62) and a lower supporting seat (63);
the first driving rack plate (11) is slidably arranged on the upper end surface of the supporting substrate (61) through a guide structure, and two sides of the first driving rack plate (11) are respectively meshed with the first driving gear (12) and the first guide gear (13);
the first driving gear (12) and the first speed changing wheel (17) are coaxially arranged and respectively arranged on the upper end face and the lower end face of the supporting substrate (61), and the first input gear (16) is meshed with the first speed changing wheel (17);
the cylinder barrel seat of the first driving hydraulic cylinder (18) is rotatably hinged on the lower end face of the supporting base plate (61), and the tail end of the piston rod of the first driving hydraulic cylinder (18) is connected with the end face of the first input gear (16) through a hinge structure;
the first driving hydraulic cylinder (18) can drive the first input gear (16) to rotate reciprocally by a certain angle, and the first input gear (16) drives the first driving rack plate (11) to move reciprocally on the supporting base plate (61) through rotation of the first speed changing wheel (17) and the first driving gear (12).
2. The spring flatness detection apparatus of claim 1, wherein:
the upper end cover (62) is provided with an avoidance part for guiding the movement of the clamping detection plate of the detection clamping assembly, and the lower end of the support substrate (61) is provided with a lower support seat (63).
3. The spring flatness detection apparatus of claim 2, wherein:
the third detection clamping assembly (3) has the same structure as the first detection clamping assembly (1) and comprises a third driving rack plate (31), a third transmission gear set, a third clamping detection plate (34), a third clamping part (35) and a third driving hydraulic cylinder (38);
the third transmission gear set comprises a third driving gear, a third guiding gear (33), a third input gear (36) and a third speed changing wheel (37);
a first clamping part (15) is arranged at one end of the first driving rack plate (11), a first clamping detection plate (14) is further vertically arranged above the first driving rack plate (11), and the first clamping detection plate (14) and the first clamping part (15) can be abutted to a first detection position on the circumference side of the spring (5) to be detected;
a third clamping part (35) is arranged at one end, close to the first driving rack plate (11), of the third driving rack plate (31), a third clamping detection plate (34) is vertically arranged above the third driving rack plate (31), and the third clamping detection plate (34) and the third clamping part (35) can be abutted to a second detection position on the circumferential side of the spring (5) to be detected;
the first detection position and the second detection position are positioned on two opposite sides of the spring (5) to be detected, and planes determined by the first detection position and the second detection position pass through the central axis of the spring (5) to be detected.
4. A spring flatness detection apparatus according to claim 3, wherein:
the lower end face of the supporting base plate (61) is also provided with a rotatable first synchronous piece (100), and a first rack section (101) and a second rack section (102) are arranged at opposite positions on the first synchronous piece (100);
the first rack section (101) is meshed with the first gear (17), and the second rack section (102) is meshed with the third gear (37);
the first clamping detection plate (14) and the third clamping detection plate (34) are synchronously moved towards/away from each other by the first synchronizing member (100).
5. The spring flatness detection apparatus according to any one of claims 2-4, wherein:
the second detection clamping assembly (2) and the fourth detection clamping assembly (4) are oppositely arranged and have the same structure as the first detection clamping assembly (1) and the third detection clamping assembly (3);
the lower end of the supporting base plate (61) is also rotatably provided with a second synchronizing piece (200), and a third rack section (201) and a fourth rack section (202) are arranged at opposite positions on the second synchronizing piece (200);
the third rack section (201) is meshed with a second speed changing wheel (27) of the second detection clamping assembly (2), and the fourth rack section (202) is meshed with a fourth speed changing wheel (47) of the fourth detection clamping assembly (4);
when the second driving hydraulic cylinder (28) of the second detection clamping assembly (2) and the fourth driving hydraulic cylinder (48) of the fourth detection clamping assembly (4) respectively drive the second input gear (26) and the fourth input gear (46) to rotate, synchronous rotation of the second speed changing wheel (27) and the fourth speed changing wheel (47) is realized through the second synchronizing piece (200), and synchronous opposite/reverse movement of the second clamping detection plate of the second detection clamping assembly (2) and the fourth clamping detection plate of the fourth detection clamping assembly (4) is further realized.
6. The spring flatness detection apparatus of claim 5, wherein:
the rotating seat (7) comprises a rotating base (71), a limiting plate (72), a clamping plate (73), an abutting plate (74) and a clamping spring (75);
a plurality of limiting plates (72) are arranged on the rotating base (71), and the limiting plates (72) are sleeved on the inner periphery of the spring (5) to be tested;
the clamping plate (73) is arranged in a slidable manner relative to the limiting plate (72), a clamping spring (75) is arranged between the clamping plate (73) and the abutting plate (74), and clamping force moving towards the limiting plate (72) is provided for the clamping plate (73) through the clamping spring (75).
7. The spring flatness detection apparatus of claim 6, wherein:
the rotating seat (7) is arranged on the lower supporting seat (63), and the rotating seat (7) can rotate relative to the supporting substrate (61), so that the detection position of the clamping detection plate of the detection clamping assembly on the spring (5) to be detected can be changed.
8. The spring flatness detection apparatus of claim 7, wherein:
the light source emitting assembly (8) comprises a light source base (81) and a light curtain emitting piece (82), and the light source receiving assembly (9) comprises a connecting base and a light curtain receiving piece (92);
the light source base (81) is arranged at a position, close to the clamping detection plate, on the driving rack plate of the detection clamping assembly, a vertical light curtain emitting piece (82) is arranged on the light source base (81), and the extending direction of the light curtain emitting piece (82) is parallel to the clamping surface of the clamping detection plate;
the connecting base of the light source receiving assembly (9) and the light source base (81) are symmetrically arranged on two sides of the clamping detection plate, and the connecting base is provided with a light curtain receiving piece (92).
9. The spring flatness detection apparatus of claim 8, wherein:
the light curtain emitting piece (82) emits light towards the contact position of the clamping detection plate and the spring (5) to be detected, and the light curtain receiving piece (92) receives the light emitted by the light curtain emitting piece (82);
the light curtain receiving piece (92) receives the light distribution condition, the contact condition of the side face of the spring (5) to be detected and the clamping detection plate is determined, and the flatness of the spring (5) to be detected is further judged.
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| CN116592797A (en) | 2023-08-15 |
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Denomination of invention: A spring flatness detection device Granted publication date: 20231114 Pledgee: Bank of China Limited by Share Ltd. Nanjing Jiangning branch Pledgor: NANJING SPRING Co.,Ltd. Registration number: Y2024980043609 |